Patent Assignment
Reel/Frame 005230/0558
Assignment of Assignors Interest.
Recorded: 1990-02-05
Pages: 1
Assignor
CHEN, CHENG-I
Executed: 1990-01-08
Assignee
BETZ LABORATORIES, INC., A CORP. OF PA
4636 SOMERTON RD., TREVOSE, PENNSYLVANIA, 19047
Covered Property
(1)
Method of Enhancing Green Liquor Semi-Chemical Pulp Production
Patent:
5,127,993 →
Application:
07/463,084 →
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Apr 22, 1992
From: BETZ LABORATORIES, INC.
To: BETZ PAPERCHEM, INC.
Reel/Frame 006085/0556 →
Assignment of Assignors Interest.
Apr 22, 1992
From: BETZ LABORATORIES, INC.
To: BETZ PAPERCHEM, INC.
Reel/Frame 006085/0559 →
Notice of Grant Security Interest
Jan 2, 2001
From: HERCULES INCORPORATED, A DELAWARE CORPORATION; HERCULES CREDIT, INC., A DELAWARE CORPORATION; HERCULES FLAVOR, IN., A DELAWARE CORPORATION; WSP, INC., A DELAWARE CORPORATION
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 011436/0381 →
Assignment of Assignor's Interest
Jun 14, 2002
From: BETZDEARBORN, INC.
To: HERCULES INCORPORATED
Reel/Frame 012983/0754 →
Notice of Grant Security Interest
Dec 27, 2002
From: HERCULES INCORPORATED
To: CREDIT SUISSE FIRST BOSTON, AS COLLATERAL AGENT
Reel/Frame 013608/0837 →
Release of Security Interest
Jan 2, 2003
From: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
To: HERCULES INCORPORATED; HERCULES CREDIT, INC.; HERCULES FLAVOR, INC.; WSP, INC.
Reel/Frame 013625/0282 →
Patent Termination Cs-013608-0837
Dec 1, 2008
From: CREDIT SUISSE, CAYMAN ISLANDS BRANCH
To: HERCULES INCORPORATED
Reel/Frame 021901/0257 →